Alert archive / Texas / Mesoscale Discussions in 2018

Mesoscale Discussion 446

May 17, 20185 counties in Oklahoma; 7 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 17, 2018, 6:44 PM CDT for 5 counties in Oklahoma; 7 counties in Texas. It was in force for 61 min.

The area

The outline as issued.

The facts

Issued: May 17, 2018, 6:44 PM CDT (23:44 UTC)
Expired: May 17, 2018, 7:45 PM CDT
In force: 61 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Beckham County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Roger Mills County, OK, Baylor County, TX, Foard County, TX, Hardeman County, TX, Haskell County, TX, Knox County, TX, Throckmorton County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 61 km from the middle of the area, began a volume at 23:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 17, 10:32 AM CDT	Mesoscale Discussion	SPC	Beaver, Beckham, Custer, Dewey, Ellis, Harper and 3 more	2 hr
May 17, 2:38 PM CDT	Mesoscale Discussion	SPC	Beaver, Cimarron, Harmon, Texas	2 hr
May 17, 3:37 PM CDT	Severe Thunderstorm Watch	SPC	Beaver, Cimarron, Texas	6 hr
May 17, 4:39 PM CDT	Mesoscale Discussion	SPC	Andrews, Borden, Crane, Crockett, Dawson, Ector and 10 more	66 min

Nearby

Mesoscale Discussions in Texas, 2018 Mesoscale Discussions in Oklahoma, 2018 Every mesoscale discussion in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.